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Nesterboy [21]
3 years ago
9

Dy/dx=2x/(y+1) find the general solution

Mathematics
1 answer:
andrey2020 [161]3 years ago
6 0
Hello,

dy*(y+1)=dx*2x
==>y²/2+y=x²+C

==>2x²-y²-y+C1=0


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I=$30 P=$250 t=3 years what is the annual interest rate?
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Answer:

If you already know how to solve it why didn't you do it yourself , but the answer is 22,500

Step-by-step explanation:


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Suppose you buy 3 pizzas for a party. Each pizza is cut into 8 slices. Twenty slices are eaten. How many whole pizzas are eaten?
vladimir2022 [97]
2 1/2 pizzas are eaten.
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Doss [256]

Answer:

slope: ½

y-intercept: -4½

Step-by-step explanation:

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Which pair shows equivalent expressions?
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Option 3

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Option 1 is incorrect.

Second equation is

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LHS=-2(x+5)=-2(x)-2(5)=-2x-10

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Option 2 is incorrect.

Third equation is

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Option 3 is correct.

Fourth equation is

-2(x–5)=-2X-10​

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Option 4 is incorrect.

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3 0
3 years ago
The new iPhone 3.14 is being sold at the UT Math Department. The original price is $1200 (day 0), but they are going to decrease
Marat540 [252]

\bf \qquad \textit{Amount for Exponential Decay} \\\\ A=P(1 - r)^t\qquad \begin{cases} A=\textit{accumulated amount}\dotfill&50.14\\ P=\textit{initial amount}\dotfill &1200\\ r=rate\to r\%\to \frac{r}{100}\dotfill\\ t=\textit{elapsed time}\dotfill &16\\ \end{cases}


\bf 50.14=1200(1-r)^{16}\implies \cfrac{50.14}{1200}=(1-r)^{16}\implies \sqrt[16]{\cfrac{50.14}{1200}}=1-r \\\\\\ r=1-\sqrt[16]{\cfrac{50.14}{1200}}\implies r\approx 0.18\implies \stackrel{\textit{converting to percent}}{r\approx 0.18\cdot 100}\implies r\approx \stackrel{\%}{18}\quad \leftarrow x

3 0
4 years ago
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